A newly wed couple jumps to pose for their wedding photographs after their group wedding ceremony which was held as part of the Harbin International Ice and Snow Festival in the northern city of Harbin, Heilongjiang province January 6, 2015. The wedding ceremony was organised by the city government and 11 couples from China, Russia and Egypt participated in the ceremony. (Photo by Kim Kyung-Hoon/Reuters)

A competitor calls with a shell at the German championships in Deer-Calling at the “Jagd & Hund” (hunting & dog) exhibition in Dortmund February 6, 2015. Competitors use specially designed instruments or ox horns to imitate the mating call of red deers. About 750 exhibitors will present their latest developments at the 34th “Jagd & Hund” exhibition, which runs from February 3 to February 8. (Photo by Ina Fassbender/Reuters)

A player breaks with the bottle during the bottle-kicking game in Hallaton, central England April 6, 2015. The game is played between Hallaton and the neighbouring village of Medbourne each Easter Monday in which participants compete to bring the bottle across a stream that separates the villages. The bottle is an old field barrel holding about a gallon of beer. (Photo by Darren Staples/Reuters)

Pilgrims dressed in traditional Bavarian clothes attend the traditional Georgi horse riding procession on Easter Monday in heavy snowfall, in the southern Bavarian town of Traunstein April 6, 2015. Since the early 16th century, farmers have taken part in the pilgrimage to bless their horses. This tradition, the “Georgiritt”, goes back to the legend of Saint George, the horsemen's patron saint. (Photo by Michael Dalder/Reuters)

In this August 21, 2017 photo released by the U.S. Defense Department, Qatari special operations personnel conduct a military free-fall Friendship Jump over Qatar. The U.S. military has halted some exercises with its Gulf Arab allies over the ongoing diplomatic crisis targeting Qatar, trying to use its influence to end the monthslong dispute, authorities told The Associated Press on Friday, October 6, 2017. (Photo by Staff Sgt. Trevor T. McBride/ U.S. Air Force via AP Photo)

A pro-abortion activist with a Venus symbol painted on her face listens to a speech outside of Congress after the presentation of an abortion bill in Buenos Aires, Argentina, Tuesday, March 6, 2018. Under heavy pressure by women's groups that have taken to the streets in large numbers in recent years, over 70 legislators presented an abortion bill that will be first be discussed in several committees of the lower chamber. (Photo by Victor R. Caivano/AP Photo)

People watch as workers inflate a near-10 metre high giant spider by Singaporean artist Jackson Tan in Singapore's Marina Bay financial district on February 6, 2017. The spider is one of several inflatable creatures that will form the Art-Zoo, a section created by Singaporean artist Jackson Tan for the iLight Marina Bay annual light-art festival in the city-state. (Photo by Roslan Rahman/AFP Photo)

A British Museum representative poses for photographs next to Andy Warhol's “Mao”, left, and Jim Dine's “Drag: Johnson and Mao” which feature in “The American Dream: pop to the present” exhibition during a media photocall at the British Museum in London, Monday, March 6, 2017. The exhibition, which opens to the public from March 9 and runs until June 18, charts modern and contemporary print making. (Photo by Matt Dunham/AP Photo)